Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be As low as possible (3 to 11°C) Any value High, of the order of 25° Zero As low as possible (3 to 11°C) Any value High, of the order of 25° Zero ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be More/less depending on rating More Less Same More/less depending on rating More Less Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia evaporates in hydrogen Ammonia is absorbed in hydrogen Hydrogen evaporates in ammonia Ammonia is absorbed in water Ammonia evaporates in hydrogen Ammonia is absorbed in hydrogen Hydrogen evaporates in ammonia Ammonia is absorbed in water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 15°C 10°C 20°C 5°C 15°C 10°C 20°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Humidification Cooling and dehumidification Heating and humidification Dehumidification Humidification Cooling and dehumidification Heating and humidification Dehumidification ANSWER DOWNLOAD EXAMIANS APP
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